Multiple friction transmission-gear.



W. 0. 65 J. D. WGRTEI.

MULTIPLE PRIGTIDN TRANSMESSION GEAR APPLICATION FILED mums, 190a.RENEWED MAY 11, 1903 906,844. Patantsd Dec. 15, 1998 5 SHEETS-SHEET 1.

\A/ 1m 53 2? EEE "1 V [535 5-22 W. 0., (in J. D. WORTH.

MULTIPLE FRICTION TRANSMISSION GEAR.

APPLICATION FILED MAR. 26, 1906. RENEWED my 11, 1908.

906,844. Patented Dec.

5 SEEETS-SHEET 2.

W. 9. 5; LI). WORTH. MULTIPLE FEIGI'ION" TRANSMISSION GEAR. APPLICATIONFILED $1511.26, 1906. RENEWED MAY 11, 1908.

Patented Dec. 15, 1908 5 SHEETS-SHEET 3.

W. 0. &J. D. WORTH. MULTIPLE FRICTION TRANSMISSION GEAR. APPLICATIONFILED MAILZH, 1906. RENEWED Mn 11, 1908 906,844. Pa tented Dec. 15,1908.

5 SHEETS-SHEET 4.

Hz/Zia 77. 0. 7 3 01 7]? To 7777 D. War 2 E.

W. 0. 5: J. D. WORTH.

MULTDLE FRICTION TRANSIVIISSION GEAR. APPLICATION FILED M AR.26. 190s.RENEWEDMAY 11 1908.

Patented Dec. 15,1908

v5 SHEETSSHEET 5 wn;r,n jo;;w mn wn101m D. WORTH; or CHICAGO,ILLTINIOIS; SAID WILL M- o. woeful i I e sis e ewe EMe 'BUBKDOLH i lStates; and r'eSidents-of {the cityfof Chicago;

' oounty of Cook, and-State"of :Il1inois, have invented certain neW'l-and .useful Improve-u {mer ts in? Multiple FrictionTran'smission-qGearsigiandVwe do hereby declare'that the;

" i followinizisn flea-gentleemetdescrip-v of; e same, r ference B inghad to the ",gzi bmpwy ng draw i'andtQs, her f fof reference marked tiereon', which} form a -imii-tofthis specification. This -invent1on'-relates to multiple gfrictiontransmissiongearsand more.' particu--1arlyltoa frietion'trzinsmission gear adapted for 'use inauto1nobiles,- streetsuburben and,

inslgegtion cal-sand for manyother. purposes. a eretofore frictiontransmission gearsusually embraced one or a 'pair' of dr vingfrictiong.wheels and f-considerable P loss of 'poyver caused by the sli pingofthe friction'w'heels relatively: emeansforshift- Y ing thegniechani'sm tofr'ictio'nal;engagemen between thefd'riven' and thedrivingelemen s 1 are'inotsufilciently positive in action to. ing. sure8. --s1'1flic ie'ntpressure between: the con- :tactingl faoesof theirieti0nf1nembers.

The -objector this invention. is to provide atransmission' deviceoi sucha nature that any "idesired m 1nber' of driving' frictionwheelssecuredfn'pon' tihe'driying Shaft may brought into operationsimultaneously (yo-acting driven 'oi'f transmitting. fries t1onj.whee1sfrom whence the; power .1s'

communicated to be operated or propelled ,0 I simple andfdurajble and; in which means iare lpi'ovidedwofinsure o' twe' engagemen'tof 'the driy Ithatlsniissio' v mechanism and toreversethe;

' an 'e' l tki m meeessly L p 'yide ageonstructiom at once stron ggfcheap;

tures and: consists: infthe matters: hereinafter viehfibfi'a deviceem'hodyin'gour intention in "fa socket" oppositely disposed frof 1nfsaid5 set screw. The endso ffsaid housmg arefd section: illustrating radialatl I I 4 t jnstment of-the driven frict on Wheels rels t;1"\"ely 0f thedriving friction wheel's; F 1s ,a fragmentary. longitudinal section,

1Fig-dis,anenlarged trensverseseeti'ontekn 'o f longitudinally of vonevof theftransrnission q shafts.v 7 isa fsection ;taken on line I..7-v-7i..of;.F1g. 4. Fig, 8, is an, enlargedfrag- "mentary. detail 0fa- 'part of ,the, steering;

mechanism, and the means or act-uating'the 'racksmF-ig; 9 is an enlargedtransverse sec-w v 'tion ofone of the rollerbearings forjone of T the,transmission shafts- Fi'g, 1.0: is a top PlilIliL-VIBW showing adiflerent arrangement. of the friction members. I f

'As shown in said drawings: The mechan-w 1 ism is shownapplied to enautomobilej shassis of WhitihA-A indicate the side frame members, a theendfra ne inembelfsand a'fa? 'are-transrerse beams :on whichi'sjournaled ,the longitudinal centrally disposed drivin'g shaft 3 which iscoupled with any suitahle eng ne-0r motor carried uponthefron't end .ofthe chassis (butnot shown) in any suitable or convenientmanner. Rigidlysecured llPOllQSilld shaftvare any desired-number of: driving fr ctionmembers or. Wheels; as

' shown-four innnniberindicatedby G-C l C -C of equal'dianieter andhaving' fiatn friction faces on each sicle'thereof and which are-spacedequal distances apart upon the] shaft, and which beingrigidly-secured tothe driving shaft are-driven continuously; in the same direction whentlie motor is in operation. a 5

Centrally secured on the shaft'B" between, each 'pairofdrivi11g:-frictio11 Wheels ,as

shown in'Figs .--3 and 5, is a'sleevfe B having 7 j enlarged andchambered endshwhichxa'fl'ord an oilor grease receptacle at} each endthereof; Pivoted on said sleeve B" at'its center is a-housing Bthroughwhich said sleeve B extends as shown 'in"Figs. 3 and- 6, and

"through a suitable aperture in j'said jhous ii'gk rected transverselyjf the. shift B ,and-feachj h le "of the same is shaped internally-L afil' ii lj f hich'isi centered (on said slee'veby means of 7 "ed, sfiewbfextending upwardly. through ,100

with, the housing at its center and engi gesi 9 spherically concavesocket b closely cent said shaft B as. shown in Fig. 6, and in whichengages a spherically convex head 12" secured on the end of atransmission shaftD I 'tendsthrough theside frame member A and bysuitable antifriction bearings d in this instance shown as a rollerbearing. The-opposlteend of. said. transmiss on shaft exthrough a casingd"';rigidl bolted thereto and atthe outer end of w ich is a sphericallyconcave socket formed by the end of said casing and complemental nut 61threaded thereo'nand which together receive I a spherically convex hubor head (l correvsponding with the head I)? and which also.

is secured on said shaft by roller bearings d Said shaft projectsthrough said head and secured thereon is a sprocket wheel 7 comprising ahub d5, which isi'fianged inengag ed in the chain e is a yoke e wardlyio ver the casing clgand nut d and as shown is, provided with"peripherally ar ranged sprocket teeth forming one or more integrallyconnected {sprocket wheels d and d. y A corresponding transmission shaft.D is'similarly journaled in the opposite end of the housing'and intheopposite, frame member'A."

' Between" each pair-of (driving friction wheels.corresponding shafts D"and D. are

' similarly g onrnal'ed centrally I thereof and feathered oneach'transmission shaft-jis a 'slidable transmission frictionor "drivenele-' nint comprising a friction Wheel'D' or D o'ne oneach side oftheshaft Band which and 'on'stheirouter-sides are provided withelongatedintegral'hubs d Centrally disfdrivingfriction posed alsobetween "said members are transverse archbeams as shown three 1n numberand ind cated by: E- E 'and E Said arch beams extendupwardly at eachside approximately vertically above the side frame *members'or sills Ato ap-fproximately the heightof the driving friction wheel and --thentransversely of the".

frame as shown in Fig. 4: and each-of the same as shownare channeled 'onthe inner side. .At the center of each beam the Pin or bolt b wherebythe housing "B is centered upon the sleeve B is engaged. Slidably 'nelsofsai'd arch. beams" arenpper and low r-racks ,eand" e {disposed onopposite fSl es bf the beamand the nner ends of which are supported jnpon a'trans verse bar e 'bolted beneath the beam.- Secured rigidly at itsupper end on the rack. which-engages around a suit-- able filletorcollar e transmitting friction"wheel. D to shift the same'towards thecenter of the driving. friction wheel by the adjustment of said rack,transyerselyof the frame." Corre-' spondi'n'gly'a rigid stirrup oryokee de-' ends" from the rack bar a and in a suma1- manner engages' the hubtight the trans-h riiitting friction Wheel D 'so that op p'ositeJRQNQHIQIltS of said rack' bars correspond-.-

" wheels; Means areprovided for-shifting witnpinions-f and f fsaidshaftat its forward end is -a sprocket l 'l fil if f sprocket c'hainJ,ashfift F journaled beneath the frame and at't ethe steering of thedriving shaft intoengagement with v1 00 dished on their-adjacent sides"-and" the transmitting friction-wheel D ,on v

1 driving friction wheel in; advance G as-shown integrallfltherewithandis pix'wqtallyj connected}byiia jrodg with beam. as shown in; Figs; 4a

" thereby d a ten crank d r'm of the-hub (Z of the eXt-endsa "thrustrodkGh j S aiengages af strong coiled spring g in'gly 'fadjust" saidtransmitting" frictionwheels; radially on the' driving friction racks-toadjust said friction'wheels, comprising assh'own a shaft F journaled insuitable hangers f integral with the arch beams on the undersidethereof. Said shaft as shown is provided on each side of the hanger.and'bet-ween the same and the downardly turned flanges of the arch"beams" which eiigag'e respec- 'for'ieach set. of'

tiyely 'on; said rack bars Secured 'on transmitting friction wheels.

which is trained, a suitable e -w'hicl1j. is also trained around thesprocket'wheel on the. end of e V other end of which is a beveled pinionf which meshes with a beveled pinion fT,-'onthe tubular shaftflF throughwhich shaft F ext'ends as shown in FigQS'. Each of the said shafts" Fand]? is :provided with 21 hand' wheel ,or other suitablemea'ns forrotating thesame, the one to. steer the veliicleythe 'other 'to adjustthe transmitting friction.wheelsinwardly or 1 I outwardly on the drivingfriction wheel to vary'th'e' speedto drive:ahead or reversen Meansarealso-providedk'for bringing the a transmitting friction. wheel I) on oneside the driving friction wheel in advance thereof the other side of theshaftinto engagement withfthe"driving friction wheel atthe near a Ithereof, to prop'el,-. the vehicle in one' Hdirec+ v tion and t'oreverse the 'arrangementso that the rear" driving friction wheel-L. and1 the transmitting friction ;\v -heel'z engages the in the oppositedirection": For this. urpose" "1-15 crank or-arm g rigidly secured on av cal. shaft G; journaled in the end of, the arch 1 spending crank arm;at'- .approximately, & right angle with-the crankiarmg" is secured 12.

Through the apertured end of vthrust, rod as shownextends-loosely"through the aper turedends ofisa-idgarms g and provided"125 on each side. of saidarnis with" acollar or x'va'sh'cr g? and,between which and the armv of su fii; cient strength whencompr ssedtoshift the transmitting friction w "the transmitting friction wheel- Dengages,

as shownthe housing B isprovide at, the;

s esaw; en m hso' nittiiig friotio hee1s,'; either in the driving"'orfhiew in os ition 21s Jpreferred;

" Sho'nld"co1n'ptesSed-a1i7 be employed fox; this 7 pni'p os'e" :s'iii'tabld'f'compreseo'r (notshown) IImybediwen from the drwing-shaft B to ioperati afi'o'rd- Supply of" compressed air to Shift said'"tranmittingfriction wheels, v? ljlach of the. protruding ehds of; the

wheels time ' trii'nsniittih dr ing f fi'ictioh wheels 1n advance Qof"the-f he e ing. frictioi 'ii elylaiigagedfiis .Very lai'ge; and. thevehicle the driving fnioti onflwheel.

. ontyvam'd the transmit moved, at mgiifen-rate ffmotofn shoft'drive;-th'e h=igher necessarily sfithe 'speed it be desiredto; 'st'oplithe.\ze'hiole;

plied directly to the'whee'le land' owing I "shaft, hoitfn fiitoyldedwith: oneor more shown in Fig-*1 about friction Wheels ahdl the 5'hielecan be stopped almost in "In theconstruction. Show n;. Eig l0which fivedl ivirigflfi'ictionfwheels" GtOjC x ti'ft sl D ."Iniiyfi-lsobe provided/with 'coi re sfpoiidihg "Sprocket wheels" 7 thus af foitl'ing chziin i'drive on each side of the -ob\ 1ous1y t-rue 'forla nymim 'f t-i'afn's ihit ting; friction" wheels-i posifjw i t e v'pairs oidrivingfriction v the tlii ust v rod Y .5 Con stings withhthe cranks id;t-17nns1nittin 'g friction; o {engagement 'Ofif lll the, I wheels uponthe driY-f; heelsf-i s approximately ecfnal it" is. Te'VidentTt-l at any equivalent means inay be .jefmploy d 11nd ,tilo fis feyident thaltv'inli en of o'inpirefsecl lair any mechanical-means,

.for instance n'. lev'el may be applied for;

haft isyggain' fotgited toishift: thethen s 5 lniitting fIlOfiOIl'wheel's radial-ly outwardon i The-*speeduis i...

iquld. y-reyrs; mg? the vShift-1mg h ith-rnster d' ionsay the.transmitting friction ."wh'eels "befoie engagingfthe rea-rj drivihgfiidiohjjwheels mechanis'mi operates as t; powetfnlllirake'ap to the adjustabilityfof 'la -nrri-ittling. friction wheels relatively-10f he. driving inclusive are secnredyon-gthe d'fiYi Iig' Sheff the construction,isy as before desclfib'ed' in all respectsexcept that the transmitting".friction pose the 'ti inem'itt ing fri t-ion" Wheels are inountedon tans nission shafts -a-s be'fo15ede-f scribed and the actuating arms. forthose engaging the same (lllVlng frict on wheel 105 are. directedoppositely and .the QQIIHQGtIIIg 'i ods therefor are engaged il t theirouter ends ona' link ,g Said li'riikfis connected In this onst ructionfsproclget Wheels reprorevolves'joppositely fromdthoeefthflth'esprocketfwheels;-is prot'ided'fiv-ith: fa; gegrw- 'wheel g}?which int'eiineshes' with. alike gen; 12'0":

wheel g fionf eziclt adj acentr sh'a'ft S0. the train of giea'i s; thusformed on each side. of

wthelfi 'ehjcle trzinsniit the" power with'; very jSlig'ht lOSSIO theaxle. Y I

\ .Foi 'adj us'ting the transmitting;

: iirlj Listing the t 'a'n smit'ting friction wheels-it o- .wheels are.-so arrangedandfoperatedithat on one .side of the drivingshaft;"they-pinch; or ojopositely engage alternate driving.friction leredffi nti i i adjnstiiig'rneeliimjsm whereh vary the gri tibiiglfengagemenej'with,"the. driving 1 friction-wheels and furthermore I--irorr1 the iconstrfxtiongdeserilied; it is'. evident "tl ia t .-:'1;nyde'sired; number-bf driving friction 1 i 1 H 91 mrl yed an l 1 the-[S ms aftj aindathatby so .doing;i 10t only is srp'os'iti'xfe; drive}assured but, also that thea'res frietion'ally enga'gedfes ajyholei'siaP- y' qnal. to th'ez'are'a'of the contact betwe lnjfonef'd 1 andtransmitting frietionwheels. vord's inasmneh as the ;.f 1:iet-ion'a1;area i is, .rerygreatly increased it 'isfe'v ide'nt that theamoqntiof1pstqw r through slippage 'miist necessarily byineonside'rable' and that with Webrl-imoif gdr vi ig fi e Whe s and; a rpb d ne num err tionWlijeels-any ed frictional efiect c'an 58 same-3W1,

" const ctloii be co bin wi aad irin'gfsihaf ef -We: ri'etio'members-engaged,

i 'ing 'ifrietion members nd' pivot-ally binatio 'withfajzdriirinqxshift ands t moredriving' friction wieelsthereoniade t d:,t'.

-im m le 'f 'theefenter thereof" icing friction whe ti friction tinglingsaidftrmisinitting:friet the number of eont'acts'fbetw een the driving"In" other transmitting .frietherefofe ddfnotyurpose hmt A patent}otherwise;

In" j.;g etional: :transmission niechenisiiif herew t end 't-i'ontransmission -iirieeheiiii'sni I d ving :1 rici fl onnected'. with thethereon, transmit-ting friction Wheels ad wisted between drivingfriction wheels, "a shaft for each.transmittingfriction wheel,

for, adjusting the inner ends of said shafts oppositely zit-the sametime.

" In 7:1,1na'chine of the class deseribed-the "oirits on the endsof saidshafts and means cured: thereon transmittfn friet-ion Wheelsjjoi'uma'led transversely To? 7 adapted for engagement each with thefront or the reel" of the' driving friction: wheels, means,-.adj1;1sting'- said transmission friction wheels to, engag' .frieti n"Wheel "and-embraing a'sleeye'on the i-clriv i'n'g sh'a'ffi a housingpivotally -engaged thereon; t crank arm-secured thereon; a bell.'eranken'gaged thereto ands thrust rod oper-.

fla'tingsaidi bell crank.

ffhe r'eoi i ;:'1 rrangedto'afford-pairs of friction v the-arisingfrie'tion memb'ers.

' hi a deyiee'foffth'e I elass .deseribed the "Combination with adrivingj'shaft of; a [plu- 'ralijty. oidriving fri'etio'r memb'ersjjengi-ged tl'eieon and ifio'rdi-ng'pairs'of frietion' faces, {a' pairofgtlrzinsmitti-ng friction; membersbe tween each pair of drivingfriction members; sha-ftjsgforislid transmitting frietiori' mem aber'siou'rna'ledgtrai sversely ofthe .dri-ving x-md 'me ris-for aetuating these ne to bring. correspond ngmembers of ad a c ent pa rsbftransmissionj'frietion members intov pinch engagement with the lfrition faces of "the intermediate driving, friction nie'nibr's.

-" *8. Th "device of thehclmYdeseribed ,the'.

combination dvithf. at-driving j'shriftfof "ajfphi- 1 am-mes si;-forshifting- "said -;tran'siniss ioiij 'htifolifwheels into a 'nd'fout of;engagement th sa idnriving fri tion 'Wliee'ls"b;nd.. meajnssaid-transmission; firietion Wheels he-"driving frictioniwheels. I

a device f the elass described the mf ation' it i a-firi esh Of p li e'lg;

assessing friction wheels rigidlyengege th r on-.3 housihgipivotd; onthe drgiye shaft eIaQss-dmeribed; ad r ivin sh'aft was lea 1t of drivingfriction W eels rigidly secured "combination .with a driving shaftof'three or-more driving" frie'tion'wheels rigidly 'sethe same and"fae'es,'- fsi -pair jof transmitting;frietion mam; hers'errangedllietween eajch K pair of driving 4 h mson-members;shafts-thereforextending. i firalnsyersely :of and on .ezichiside; ofthe" driv'-. {ing' 'shaft; }anti{frietion adjustable bearin' 's;

'70 sprocket wheels there0n,-.bal1 and socket.

e'ment with either driving In amaehinef oftlie-elass deseribed a .s[drivingshaft'," drivin friction members embers, to'engage pairs,oppositely. Y

between each two adjacent driving wheels,

transmission shafts between said driving wheels, ball and-socketconnections between the transmission shafts and driving and transmissionfriction wheels on said transmission shafts.

10. ln-a device of the class described the combination with a frame of adrive shaft j ournaled therein. a plurality of driving friction wheelsrigidly engaged thereon, trans mission shafts between said drivingfriction wheels. ball and socket joints connetfting said trai'ismissionshafts with the driving shaft and frame. transmission friction wheels adjustably engaged on saic transmission shafts and means for adjusting thetransmission friction wheels radially of the driving friction wheels. a

11.. In a device of the class described the combination with a frame ofa driving shaft journaled therein, a plurality of driving frictionwheels rigidly engaged thereon, housings pivoted on said.- shaftalternately with said driving friction wheels, casings rigidly engagedon the frame, transmission shafts journaled therein and in saidhousings, a ball and socket joint at each end of said transmissionshafts, transmission. frio' tion wheels on said transmission shafts andmeans for simultaneously adjusting said housings to throw thetransmission friction wheels into and out of engagement with the drivingfriction wheels.

12. In a device of the class described the combination with a frame of adriving shaft journaled therein, a plurality of driving friction wheelsrigidly engaged on said shaft, a housing pivoted on said shaft betweeneach two adjacent friction wheels, casings carried on the frame, meansaffording ball and socket joints in said housings and casings,transmission shafts ournaled therein, trans mission friction wheels onsaid shafts, means for shifting said transmission wheels radially of thedriving wheels and means for simultaneously turning said housings ontheir pivots and throwing the transmission friction wheels into and outof engagement with the driving friction wheels.

13. In a friction transmission device the combination with a constantlydriven shaft of drivii'ig friction members rigidly secured thereon,transmission shafts between adjacent driving friction members havingpivotal connection at their inner ends with the driving shaft, afriction member on each transmission shaft adapted to contact theadjacent driving friction members and a joint foreach outer end of eachtransmission shaft permitting the inner end thereof to swing freely ineffecting the adjustment.

14. In combination with a suitable frame, a shaft journaled thereto,driving friction members secured on said shaft, transmission shaftsextending transversely of the ceases driving shaft, a friction member oneach, a universal joint for the inner end of each transmission shaft,and a. joint for the outer end of each transmission shaft comprising acasing rigidly secured to the heme, spherical hub therein through whichthe outer on d ofthe shaft extends, friction rollers in said hub aroundthe shaft and. means securing the hub in place permitting free movementthereof.

15v l'n a device of the class described the combination with drivingfriction members of transmission shafts between adjacent drivingfriction members, a driven member on each transmission shaft adapted tocontact either driving friction member, ball and socket joint for theinner end of each transmission shaft, a :asing, means cured to thecasing affording tog with a rounded seat, a hub adjustable on said. seatand adapted'to receive the outer end of the transmission shafttherethrough and friction rollers between the shaft and hub.

16. In av transmission mechanism the com bination with the driving shaftof transmission shafts on. opposite sides thereof, coact--' ing frictionmembers on said shafts and a universal joint for the ends ofsaidtransmission shafts comprising a-casing or housii-1g affording arounded seat, a complemental head therein, and anti-friction rollers inthe head around the shaft said bearing affording movement in anydirection.

17. In a device of the class described the combination with a driveshaft of transmission shafts extending transversely therei of, coactingfriction members on said shafts, an oscillating housing on the driveshaft,

universal roller bearings il'ld'tflllnfmfi on each side of the driveshaft in which the inner t slnission shaft is journaled and a universenfcr hearing for the opposite end of each transm sion shaft.

18. In a def. of the cla combination with a drivin share of transmission shafts pivotally supported at their inner ends therefrom,coacting friction mom- ,bers on said shafts, means for shifting the821118 into operative relation, a universal bearing for each end of saidtransmission shafts permitting the. inner ends ofsaid shafts being swungin throwing the friction members in contacting engagement.

19. In a device of the-class described the combination. with a drivingshaft of transmission shaftscoacting friction members rotatable with therespective shafts, a non rotatable sleeve jon gialed on the drivingshaft prv'ividing an oil cup at each end, a housing pivoted to thesleeve, anti-friction bearings therein for the inner ends of thetransmission shafts, an anti-friction universal bearing for the outerends of the transmission sl'iaft, a hub secured on the iciibed the saidhuh device of the clzr-s deseril;

"wing shaft, 2t trnnsznis members on said H vto actuate the trensn l Jon shafts t throw the friction members thereon, into contact with thefriction inendiers on the driven shaft, it casing rigidly set red to theframe, a nut threaded thereto at )rding together with the casing arounded 54 it, s

it E

Qilfillllitl head in said see-t, thron -h which ,ie transmission shaftpro; Hlers in head around the shaft, me securing same in place, it hubsecured on the end the shaft and sprocket wheels rigidly con ted theretoand rotatable W tn the aft.

the combination with a shaft and it plurality of friction membersthereon prmiidcd with s phirelit of sets of friction face of transionshafts, a plurality of of edji shle friction "Wheels thereon, one ofsaid sets cooperating With each set of frict on faces, zi 'sleeve on thefirst mined shaft, ii housing, means pivoting the smile to the sleeve,bell and socket joints in said housing for the im er ends of thetrzmsinissici tins and a bell and socket joint for each t'lztl'lsmissionshaft at its opposite end.

i 22. in gearing of the character described, the combination. with ashaft, of it plurality of friction l'llQIDlJQI'S thereon pr i'n'ided".vith nrrtlity of sets of riction f e phe rehty tieicisniission shaftsbetween each set of feces, a friction wheel on each slieft adapted colct with each face of it set,n

single actuating, device having cmincctions with the various frictionWheels for etfectii'i their simultaneous adjustment and :t universztlrelief bearing for each end of the ilfi'itk mission shaft. 7

23. in gearing of the character described, the combination with it maindriving shaft, of a plurality of. friction dis mounted thereon andhaving a plurality of independent sets of opposing friction faces, atrans m sion sh 1 ft extending between each set of t friction wheelthereon and there "in-slit with eitner face. of the to ti y ilielthrough 7 sum ion bearing in the casing for said she hub on theoiilerend of the shaft i. portion covering the hearing i whceis di secured tothe huh ng of the cl 3 with e, sl'- .41, In gearing of the characterdescribed, 1

conntershsft ioczited between eziclz'. set of ta Z'L friction Wheelmounted on each shaft and bit) *nhle therewith into engage-- 3 meet witheither face of the set, 21 housing 1 between the shaft for effectingtheirsiinul shaft of the Wheels coacting with the lite-rent sets offriction faces, means pivally connecting the inner end of the -transinon shaft with the other shaft and a hell and socketbeztring for each endof the 'rzinsinission shaft. j

it in gearing of the character described the combination with (L shaft,of a plurality of friction members mounted thereon and hiiA-ii'ig aplurality of separate sets of opposing friction faces, a transn'iissionshaft located between each set, rt roller bearing for emch end of saidtransmission shaft, a friclion Wheel feathered on each shaft, said wheelcoacting with the faces of the set and i'i'lOVtlblG on the shaft towardand from the axis of the first mentioned shaft, means connested to thewheels of the different sets for effecting their simultaneousll'lOVQll'lEHfH toward and from said axis and it universal joint foreach end of the transmission shaft.

in a device of the class described the .105

wnrdly facing driving friction members thereon, n casing sti 'iported onthe driving shaft, transmission shafts each having its inner end engagedin the casing, a universal joint at each end. thereof, a driven frictionmember on each transmission shaft adapted to ccuitztct with each drivingfriction :iher and ineuns rockingthe casing to ow said friction membersinto contacting 'e nent. i in device of the class described the nationwith a frame of a driving shaft journaled thereon inwardly facingdriving .fi'lffilOl] members engaged thereon, transniission sheftshnvingtheir inner ends between said driving friction members, a drivenfriction member on each transmission shaft,-a casing journuled betweensaid driving friction members, and in which the inner ends oftransmission shafts are journaled, lhttiiiig said casing "to 'throwthect" members to contact either li1l3%i endfinsnuitlly op- ..T for saiddriven 13's IO- sn-ppor-ting the inner ends of achtransi-nis' '25 her oneach transmissionshaft, an arm enfrictionmember-s across the faces ofthe. driving frictiOn members to vary the rate of; speed: I I 29. In atransmission mechanisnithe coin-Q 5 binati'on "with a. frame offadrivingf'shaft jonrnaled therein, driving friction members on saidshaft, transmission shaft-s'jo'urnaled transversely of'said drivingshaft, a friction member on each transmission shaft, a casing -[s1onshaft, a balljand socket joint for each end ofeach shaft, andmeansiadapted to siving the casing'to throw the ends of. said -t1'a1ismissio n shaftbppositely to bring the driven anddrivingfrictionmembers-in con tact..-

BOJ In a i'combi-nation With-a frame ofa driving shaft I carriedthereby, driving friction -meinbers 201 engaged on saidshaft, a casingprovided on said shaft,-tr:insmission shafts engaged at their inner endsin .saidcasing and to the frame, a universal joint for each end of saidtransmission shafts, a driven friction memgaged to said casing" andialever connected to said arm; to more the shafts oppositely to rontactthedriven with the driving friction I members. I 1 1 a I 11. In a deviceofthe classdescribed the 1 combination'avith a frame of a. dri ving'sh-aftcarried-thereby,a sleeve pivotally engaged to the'shaft, a casingcarriedby said sleeve,

fa -ini-iversal joint in each endof the casing,

transmission shafts j onrnaledat their'in'ner '-'en :ls insaid jointsand at their opposite ends 'journale'd to the-frame, a downwardly eX-tending arm engaged to the casing, friction members engaged on saiddriving and trans- A0 n'n s'ion shafts normally out of contact and":neans connected to said. arm adapted when actuated to oscillate thecasing to throw said j friction me nbers on the transmission shaftsintolrontact vlth" the friction members- 1nthe driving shaft,

' 32-. In a transinlssion mechanism the com- I bina'tion with afra meofa shaft journa-ledj the-ret o, transmission shafts, friction anemberson tl1e"shafts,a ball and socket joint for each-endof each transmission"shaft and 3 s1 irocket'wheels "on the. outer ends of. the

transmission shafts extending peripherally device of the class describedth I contact, a ball-and'socket jointat each end'r of the transmissionshafts and'sproc'ket wheels concentric with the ball and socket jointsat one end of the transmission shaft and rotatable with sai-dshafts. J

34. In a device of the class'described' the combination with adriveshaft of tra-nsmis--.:

sion shafts, friction members on said shafts, means-for movingthetransmission shafts to adjust thefriction members into and out ofoperative relation, universal "anti friction joints on the ends of thetransmission shafts and -sprocket wheels rigidly connected with thetransmission shaft and position with respect to the nniversaljoints tonecessitateminimnm'movement when the shafts are ads jnsted. f V 35. In adevice of :theclass describedthe vcombination with a. main shaft oftransmission, shafts, fricti a members .on saidshafts, means foroscillating the transmission shafts toadj net the friction members intocontacting engagement, joints for. the ends of the trans mission shaftspern'ntting' any ad ustment.

- thereof and sprocket wheels rotatable with the transmission shaftshavlng'th'eir center of gravity approximately at the center of 'one-ofthejoints for each transmission shaft. I

36'. Ina transmission device axmain'shaft, transmiss onshafts, ball andsocket jo nts at the, ends thereof having friction rollers,-

.members around which the transmission eleaxle are trainedrotatablenvith the transmission shafts and surrounding the per phery ofthe 'ball and socket joints, at approxill itnesses; 1

WV. W. W. 1'1" ENBURY,

around the ,ball and socket joints at approximatch the center thereof.

inent between the transmission shafts and matelythe center thereof,members'on the-- l

